Cita APA

 Siegfried, D. R. (2006).  Biology for dummies, portable edition.  Wiley Pub.

Chicago Style Citation

 Siegfried, Donna Rae.  Biology for Dummies, Portable Edition.  Wiley Pub, 2006.

Cita MLA

 Siegfried, Donna Rae.  Biology for Dummies, Portable Edition.  Wiley Pub, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.